Complete practical guide
The email marketing book about forty-one thousand people at nine in the morning
37 chapters and 68 worksheets on running email programmes for clients - why last year's discount code reached everybody at once, why nine thousand imported addresses throttled five clients' delivery, and why an open rate rising from 22% to 38% was the worst news of the year.
Look inside — read the first chapter freeOne payment, USD. Yours permanently — no subscription.
What this guide is
Wren managed email for five clients and it was going well enough that a sixth was waiting. The Black Friday campaign went out at nine in the morning to forty-one thousand people, and the discount code in it was the previous year's, deactivated in September. By nine past nine the first replies had arrived. There is no recall: the email had already been delivered, opened, forwarded and screenshotted, and the only available action was to send another one - which doubled the day's volume to a list already mailed twice that week. That was the visible failure. Three others had been running quietly for months. One client's list included around nine thousand addresses imported from an old CRM at the start of the arrangement, collected over six years for various reasons, some of them consent to be contacted about something else entirely; nobody had asked where they came from, because they were already in the platform and importing them felt like a technical step rather than a decision. Their complaint rate climbed all autumn, the sending domain was throttled, and because all five clients had been set up on the same shared sending infrastructure - sensibly, cheaply, at the start - the throttling degraded delivery for everybody. A welcome sequence built in month two contained a line about a service the business stopped offering in the spring, and had been sending it, unchanged, to every new subscriber for seven months. And one client's open rate had risen from roughly 22% to roughly 38% across the year, which they were delighted by, because a large share of their audience had moved to a mail app that fetches images automatically - the rate improved because the measurement changed. Nobody behaved badly. The code had been valid when it was written, the import was routine, the sequence was correct on the day it was built, and the open rate was real. Every part of it was ordinary, and all of it was expensive.
What you get out of it
Specifics, not promises.
- Why a list is a set of live agreements rather than something you own
- The fourteen-point checklist, run twice, and why it is never a proofread
- The seed list that catches what no rendering tool can
- Why the freeze point exists, and what a late change actually invalidates
- How removing thousands of subscribers reliably raises revenue
- The automation that ran for a year saying the wrong thing - and the audit that finds it
- Why an open rate can rise 16 points with no change in behaviour at all
- What to check, in order, when placement drops - and why content is last
- Why capacity is send slots rather than hours
- 148 AI prompts - and not one asks a model for a fact about the business
Ideal for
People planning and managing newsletters, campaigns, automations and customer email journeys for small businesses, shops, professionals, creators, agencies and remote teams as a side hustle - list health and deliverability audits, campaign management, full retained programmes, automation and journey builds, template and design systems, copywriting retainers, and platform migrations. Particularly four groups: somebody who has inherited a list and never asked where it came from; somebody who sends without a checklist because nothing has gone wrong yet; somebody with automations running that they have not read in six months; and anybody who has reported a rising open rate without checking what else changed.
- Anybody sending newsletters, campaigns or automations for businesses or agencies
- Somebody who has inherited a list and never asked where it came from
- Somebody who sends without a checklist because nothing has gone wrong yet
- Anybody with automations running that they have not read in six months
What's inside
Format
- Digital download, delivered instantly after payment
- Formatted for letter paper — read on screen or print it
- Yours permanently, re-downloadable from your library any time
- Licensed for use in your own business
By the end you can
A reader finishes with a consent and provenance record built source by source before any send - wording used, what was promised, evidence held, and whether that source may be mailed marketing at all - with any undocumented source treated as unmailable until somebody can describe it; a fourteen-point pre-send checklist that is written down, identical every time, run before approval and again before sending, recorded as completed by a named person, and never waived however urgent; a seed list across several real mailbox providers including one business account, one address on a phone they hold, one record with deliberately blank fields and one for unsubscribe testing; a claims and offers register in which every discount code carries a start date, an end date and a named owner, re-verified at every planning session and every quarterly audit; a freeze point after which nothing changes, because the checklist, the seed send and the link checks all happen inside that window and a late change invalidates all three; an engaged share computed over a window chosen from the client's cadence and never changed silently, with the count in each band shown alongside the percentage; a sunsetting programme presented as closing agreements that have already ended, supported by the platform saving and by revenue per thousand delivered before and after; a quarterly audit in which every live automation is received in full as a new subscriber, dated, and checked against the current register; a monthly list hygiene routine covering hard and soft bounces, complaints, duplicates and typo domains; a report that uses delivered rather than sent as every denominator, puts complaints and unsubscribes on the same line, and labels the open rate as contaminated from the first month; capacity counted in send slots rather than hours; and six numbers on a single page reviewed monthly.
A complete working system for email marketing management as a paid service - built on four rules covering the fact that a list is a set of live individual agreements rather than a possession, each one specific to what that person actually consented to, revocable at any time, decaying with age, and impossible to buy, infer or inherit without establishing where it came from; the fact that a send is simultaneous and irreversible, with no draft state and no recall, so that an error is wrong in tens of thousands of places at the same moment and the only remedy is a second send that consumes more of the same asset; the fact that mailbox providers decide inbox placement per recipient using signals that cannot be seen, with no appeal and no explanation, on a reputation built over months and destroyed by a single send to people who did not want the mail; and the fact that the headline metrics are contaminated by machines, with opens inflated by privacy features that fetch images automatically and clicks inflated by security scanners that visit every link, making the number every client asks about first the least reliable one available - with revenue per campaign as the economic unit, build hours per campaign as the leading indicator, the engaged share of the list as the master variable, the complaint rate as the risk indicator, and four disciplines the trade cannot be run safely without: establishing list provenance source by source before any send, running a fixed fourteen-point checklist twice on every campaign, seed-testing across real mailbox providers before every send, and reading every live automation in full every quarter.
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